C++ - Initializing SOCKADDR_IN

c++, initialization, winsock

Solution

`m_stLclAddr = {0}` will set everything to zero the first time (not necessarily default values or what you actually want to do). `memset(&m_stLclAddr, 0, sizeof(SOCKADDR_IN));` will set everything in m_stLclAddr to zero for not only initialization, but successive calls as well.

I would think you would want to do something like this:

local_sin.sin_family = AF_INET;
local_sin.sin_port = htons (PORTNUM);
local_sin.sin_addr.s_addr = htonl (INADDR_ANY);

as shown here: http://msdn.microsoft.com/en-us/library/aa454002.aspx

Problem

I am working through some Static Analysis defects and one that is causing me an issue is this one. ``` SOCKADDR_IN m_stLclAddr; ``` SOCKADDR_IN is a member of the WinSock API The defect is saying that I have not initialized the following: - m_stLclAddr.sin_port - m_stLclAddr.sin_zero - m_stLclAddr.sin_addr - m_stLclAddr.sin_family I am not very familiar familiar with the WinSock API but I have done a bit of research and I just want to know if the following line of code would initialize m_stLclAddr with default values?: ``` m_stLclAddr = { 0 }; ```

Original source